Average annual temperature is 15.9 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: -9.3 °C
Number of sunny days: 211
Number of rainy days: 154
Number of snow days:
Average annual precipitation: 868 mm
Look at detailed online map of Oswego
* Weather data for Oswego United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 20 | 20.2 | 25.4 | 27 | 31.4 | 39.3 | 37.4 | 40.9 | 35.3 | 30.9 | 25 | 18.2 |
| Average daytime temperature (°C) | 10.1 | 12.3 | 14.5 | 21.1 | 26.4 | 31.4 | 33.6 | 33.8 | 29.7 | 21.3 | 15.4 | 11.3 |
| Average temperature (°C) | 4.6 | 5.6 | 8.6 | 14.4 | 20.1 | 25 | 27.3 | 27.6 | 23.3 | 16.2 | 9.7 | 6.5 |
| Average night temperature (°C) | 0.2 | 0.9 | 4.1 | 8.8 | 14.8 | 19.4 | 22.2 | 22.5 | 18.2 | 12.2 | 5.6 | 3 |
| Absolute minimum temperature (°C) | -9.3 | -7.6 | -6.6 | 2.3 | 6.1 | 15.1 | 17.3 | 15.5 | 13.7 | -1.1 | -4.9 | -2.5 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.3 | 11.3 | 12.6 | 13.7 | 14.5 | 14.7 | 14.7 | 14.1 | 13 | 11.8 | 10.7 | 9.8 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.7 | 10.4 | 11.4 | 12.6 | 13.7 | 14.6 | 14.1 | 13 | 11.9 | 10.7 | 9.8 | 9.6 |
| Sunshine mean duration (h) | 6.4 | 7.7 | 7.6 | 9.9 | 10.4 | 12.5 | 11.3 | 11.7 | 10.5 | 8.2 | 7.9 | 6.2 |
| Precipitation (mm) | 56 | 65 | 117 | 25 | 114 | 65 | 109 | 49 | 81 | 77 | 40 | 72 |
| Sunny days | 20 | 15 | 13 | 17 | 13 | 16 | 15 | 23 | 18 | 19 | 23 | 19 |
| Rainy days | 11 | 13 | 18 | 13 | 18 | 14 | 16 | 8 | 12 | 12 | 7 | 12 |
The best time to visit Oswego during the most sunny months:
The largest precipitation sum in Oswego is at